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AUDIO SUSCEPTIBILITY OF THE BUCK CONVERTER IN …
http://users.utcluj.ro/~atn/papers/ATN_2_2008_1.pdf
null area of the audio susceptibility. Frequency 10Hz 100Hz 1.0KHz 10KHz 100KHz VDB(VOUT)-150-100-50-0 Mc=32 Mc=4 Mc=1.5 Mc=1.2 Mc=1 Fig. 5 Audio susceptibility diagram in closed loop for different values of the external ramp Fig. 5 shows the buck converter audio susceptibility in closed loop for different values of the external ramp.
Method for improving the audio susceptibility and input ...
https://ietresearch.onlinelibrary.wiley.com/doi/epdf/10.1049/iet-pel.2013.0894
Method for improving the audio susceptibility and input impedance of stacked boost converters Yan Li, Qian Chen, Trillion Q. Zheng School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, People’s Republic of China ... The push–pull SBC behaves as a conventional buck converter, hence, the small signal model when ˆv in ...
AUDIO SUSCEPTIBILITY OF THE BUCK CONVERTER IN …
https://www.researchgate.net/publication/237508000_AUDIO_SUSCEPTIBILITY_OF_THE_BUCK_CONVERTER_IN_CURRENT-MODE_POWER_STAGE
AUDIO SUSCEPTIBILITY OF THE BUCK CONVERTER IN CURRENT-MODE POWER STAGE. January 2008; ... A novel boost bridge amplifier which inherently doubles the power supply voltage, thus providing up to ...
Audio-susceptibility of inner loop of true-average current ...
https://ieeexplore.ieee.org/document/8052959/
The audio-susceptibility of the average current-mode controlled buck dc-dc converter in continuous-conduction mode is presented in this paper. The average current-mode control scheme used in this paper regulates the true average component of the sensed inductor current and is not affected by a high inductor current ripple at low duty ratios. The principle of …
Audio-susceptibility of PWM dc-dc boost converter ...
https://www.researchgate.net/publication/290887775_Audio-susceptibility_of_PWM_dc-dc_boost_converter
Request PDF | Audio-susceptibility of PWM dc-dc boost converter | The generalized expression for the audiosusceptibility of current-mode controlled PWM …
DC-DC Converters - Dynamic Model Design and Experimental ...
http://www.iea.lth.se/publications/Theses/LTH-IEA-1042.pdf
the output impedance, and the audio susceptibility were derived for the buck, boost, and buck-boost converters operated in continuous conduction mode in the case of resistive load. The use of load current can be seen as gain scheduling in the case where the load is a resistor. Gain scheduling can be considered a special case of adaptive control.
Improved Models for DC-DC Converters
https://www.iea.lth.se/publications/Theses/LTH-IEA-1037.pdf
function, the output impedance, and the audio susceptibility are derived for the buck, boost, and buck-boost converters operated in continuous conduction mode in the case where the load is a linear resistor. If the measured load current is utilized properly by the controller, the output
Analysis and Design of Input Filter for DC-DC Circuit
https://www.ti.com/lit/an/snva801/snva801.pdf
Figure 6. Closed Loop Audio Susceptibility Figure 7. Closed Loop Output Impedance 2.3 Loop Gain With Input LC Filter Even though closed loop suppresses the audio susceptibility a lot at low frequency, but it doesn’t change too much for the middle and high frequency. The designer should also consider the interference from the DC-DC back to the ...
Modeling current-programmed buck and boost regulators ...
https://ieeexplore.ieee.org/document/21871
A general small-signal model for current-programmed switching power stages is used for design-oriented analysis of a 150 W buck regulator and a 280 W boost regulator. The model, into which the current-programming minor feedback loop is absorbed, exposes the desired tendency towards 'constant' output current. The regulator voltage loop remains the only explicit feedback loop, …
Switch-Mode Power Supplies SPICE Simulations and Practical ...
https://cbasso.pagesperso-orange.fr/Downloads/Book/Library%20file%20description%20OrCAD%20PSpice.pdf
Regulator 2 audio: the audio susceptibility of a simple bipolar-based linear regulator Regulator 2 stepped Vin: regulator response with a stepped input ... Buck-boost CM step load: a buck-boost current-mode 10 V to −12V / 2 A, step load response Buck-boost CM ac sweep: a buck-boost current-mode 10 V to −12V / 2 A, ac stability analysis ...
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